30594881 has 2 divisors, whose sum is σ = 30594882. Its totient is φ = 30594880.

The previous prime is 30594871. The next prime is 30594911. The reversal of 30594881 is 18849503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19439281 + 11155600 = 4409^2 + 3340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30594881 is a prime.

It is a super-2 number, since 2×30594881² = 1872093486808322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30594821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15297440 + 15297441.

It is an arithmetic number, because the mean of its divisors is an integer number (15297441).

Almost surely, 2^30594881 is an apocalyptic number.

It is an amenable number.

30594881 is a deficient number, since it is larger than the sum of its proper divisors (1).

30594881 is an equidigital number, since it uses as much as digits as its factorization.

30594881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 30594881 is about 5531.2639604344. The cubic root of 30594881 is about 312.7636380015.

The spelling of 30594881 in words is "thirty million, five hundred ninety-four thousand, eight hundred eighty-one".